LuPPC/src/lua/core/textgpu.lua

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2016-01-07 02:58:05 +11:00
local textgpu = {}
local mapping = {
["0"] = 0x000000,
["1"] = 0xFF0000,
["2"] = 0x00FF00,
["3"] = 0xFFFF00,
["4"] = 0x0000FF,
["5"] = 0xFF00FF,
["6"] = 0x00FFFF,
["7"] = 0xFFFFFF,
}
local background = "0"
local foreground = "0"
function textgpu.start()
local gpu = {}
function gpu.bind() return false, "This is static bound gpu" end
function gpu.getScreen() return "n/a" end
function gpu.setBackground(color, isPaletteIndex)
checkArg(1, color, "number")
checkArg(2, isPaletteIndex, "boolean", "nil")
if isPaletteIndex then
return --TODO: Maybe?
end
background = modules.color.nearest(color, mapping)
io.write("\x1b[4" .. background .. "m")
end
function gpu.setForeground(color, isPaletteIndex)
checkArg(1, color, "number")
checkArg(2, isPaletteIndex, "boolean", "nil")
if isPaletteIndex then
return --TODO: Maybe?
end
background = modules.color.nearest(color, mapping)
io.write("\x1b[3" .. background .. "m")
end
function gpu.getBackground()
return mapping[background], false
end
function gpu.getForeground()
return mapping[foreground], false
end
function gpu.getPaletteColor()
return nil
end
function gpu.setPaletteColor()
return nil
end
function gpu.maxDepth()
return 3
end
function gpu.setDepth()
return false
end
function gpu.getDepth()
return 3
end
function gpu.maxResolution()
return termutils.getSize()
end
function gpu.getResolution()
return termutils.getSize()
end
function gpu.setResolution(w, h)
checkArg(1, w, "number")
checkArg(2, h, "number")
return false, "Non resizeable gpu"
end
function gpu.get(x, y)
checkArg(1, x, "number")
checkArg(2, y, "number")
--FIXME: ASAP: Implement
return " "
end
function gpu.set(x, y, value, vertical)
checkArg(1, x, "number")
checkArg(2, y, "number")
checkArg(3, value, "string")
checkArg(4, vertical, "boolean", "nil")
if not vertical then
io.write("\x1b[" .. y .. ";" .. x .. "H" .. value)
else
io.write("\x1b[" .. y .. ";" .. x .. "H")
value:gsub(".", function(c)
io.write(c .. "\x1b[D\x1b[B")
end)
end
return true
end
function gpu.copy(x, y, w, h, tx, ty)
checkArg(1, x, "number")
checkArg(2, y, "number")
checkArg(3, w, "number")
checkArg(4, h, "number")
checkArg(5, tx, "number")
checkArg(6, ty, "number")
--FIXME: ASAP: Implement
return false
end
function gpu.fill(x, y, w, h, ch)
checkArg(1, x, "number")
checkArg(2, y, "number")
checkArg(3, w, "number")
checkArg(4, h, "number")
checkArg(5, ch, "string")
ch = ch:sub(1, 1):rep(w)
for i=1, h do
gpu.set(x, y + i - 1, ch)
end
return true
end
gpu.setForeground(0xFFFFFF)
gpu.setBackground(0x000000)
modules.component.api.register(nil, "gpu", gpu)
end
return textgpu